Re: Rate of climb and descent

Date:         11 Feb 98 04:26:29 
From:         darren@daz-technology.demon.co.uk (Darren Rhodes)
Organization: Daz Technology
References:   1 2
Followups:    1
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On 25 Jan 98 03:27:40 , kls@ohare.Chicago.COM (Karl Swartz) wrote:
>>for a twin engine aircraft like the 767, "almost empty" (i.e. no
>>passengers/load and a small amount of fuel) does the climb rate exceed
>>5000 fpm?
>
>I don't know about the 767, but I've been on a 757 with a moderate
>passenger load and modest fuel load (an SFO-LAX flight) which exceeded
>5000 fpm quite easily.  I'd think a very light 767 could do the same
>with no problem.

This depends entirely on the operator. At low weight many operators
reduce takeoff power to save engine wear so the climb rates are almost
the same as for a heavy takeoff.

5000 fpm is extreme. Most of the flights I have analysed peaked around
4500 fpm.

ttfn